The shelf life of Häagen-Dazs ice cream can vary based on several factors, including the specific product and how it is stored. Generally, when kept frozen at a consistent temperature of 0 degrees Fahrenheit, Häagen-Dazs ice cream can maintain optimal quality for about two to three months. However, it may still be safe to consume beyond this period, as it does not typically spoil in the same way many perishable foods do. Over time, the texture and flavor may degrade, leading to an unsatisfactory experience. To ensure the best tasting experience, it is advisable to consume the ice cream within a reasonable timeframe after opening, ideally within a week or two. For more detailed information regarding specific products or storage tips, it is best to refer to the current Häagen-Dazs website or product packaging.